Elenco - The Secret Code
Paul Kelly
Lt. Dan Barton / The Black Commando
Anne Nagel
Jean Ashley
Trevor Bardette
Jensen
Rudolph Anders
Rudi Thysson
Clancy Cooper
Det. Sgt. Pat Flanagan
Gregory Gaye
Nazi Agent Feldon
Ludwig Donath
Nazi Prof. Metzger
Beal Wong
Quito
Eddie Parker
Chief Henchman Berck
Wade Boteler
Police Chief Burns
Charles C. Wilson
Desk Sgt. Cullen
Alex Callam
Investigator Hogan
Robert Fiske
Investigator Ryan
Selmer Jackson
Maj. Henry Barton
Jacqueline Dalya
LindaJack Gardner
F. Wolper
Kenne Duncan
Marvin
George Lynn
Chief Stover
Frank Shannon
Police CommissionerGus Glassmire
Mr. Stevens
John Elliott
Prof. Clyde
Jack Rice
Fred, Jensen's Clerk
Sigfrid Tor
Lt. Kurtz
Joseph W. Girard
Col. Drake
Dick Botiller
Hans Steufel
Lucien Prival
U-499 CommanderRose Plumer
Flower Woman Spy
Lester Dorr
Otto Stahl
Peter Leeds
Henchman Carl Hiecke
Kit Guard
Henchman CorrickWarren Jackson
RalphHenry Lysing
Code Lessons
Lee Shumway
Police DispatcherRoy Brent
The Military Policeman
Stanley Brown
Police Lab Technician
Joe Caits
Messenger